17773821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 28040376

約数和(自身を除く): 10266555

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2081, 2847, 6243, 8541, 18729, 27053, 81159, 151913, 243477, 455739, 1367217, 1974869, 5924607, 17773821]

約数ペア:

[(1, 17773821), (3, 5924607), (9, 1974869), (13, 1367217), (39, 455739), (73, 243477), (117, 151913), (219, 81159), (657, 27053), (949, 18729), (2081, 8541), (2847, 6243)]